{"product_id":"b-k-mueller-indsimport-521-204hn-black-coupling-3-4-in","title":"B K\/mueller Inds(import) 521-204HN Black Coupling 3\/4 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe B K\/MUELLER INDS(IMPORT) 521-204HN is a black right-hand threaded coupling designed for joining pipe sections in gas, water, and general plumbing distribution systems. Sized at 3\/4 inches, this coupling provides a standard right-hand thread engagement suitable for connecting two male-threaded pipe ends. The black finish is consistent with black iron pipe fittings commonly used in gas distribution and industrial piping. Licensed plumbers and pipefitters use this fitting during new construction, rough-in work, and service repairs on threaded pipe systems.\u003c\/p\u003e\u003cp\u003eThis coupling is well-suited for residential and light commercial applications where 3\/4-inch black iron or compatible threaded pipe is specified. Typical installations include natural gas supply lines, propane distribution, and industrial fluid conveyance where right-hand thread fittings are required by code. This SKU is packaged in a quantity of 25 units per package, making it practical for contractors stocking a service vehicle or completing multi-fixture rough-in jobs.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e3\/4-inch right-hand thread coupling for joining two threaded pipe ends\u003c\/li\u003e\n\u003cli\u003eBlack finish consistent with standard black iron pipe fittings\u003c\/li\u003e\n\u003cli\u003ePackaged in quantities of 25 units for trade and jobsite efficiency\u003c\/li\u003e\n\u003cli\u003eSold per each unit within the 25-count package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement and standard trade fitting compatible with 3\/4-inch right-hand threaded pipe systems, including black iron pipe used in gas and fluid distribution applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed plumber or pipefitter in accordance with applicable local plumbing and mechanical codes, including IFGC requirements where gas service is involved. Shut off the gas or water supply and depressurize the line before beginning any fitting work. Apply an appropriate thread sealant or tape rated for the service fluid before making up the joint. Do not over-tighten threaded fittings, as this can crack or deform the fitting body.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 3\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Orientation\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 6.97 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: B K\/MUELLER INDS(IMPORT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 521-204HN\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SOUTHLAND","offers":[{"title":"Default Title","offer_id":51563241308466,"sku":"521-204HN","price":39.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/0f1641d237f3a143f6e1ca4d800374db_41c9dcbb-6086-4f82-96f6-958c78a3c333.jpg?v=1786493813","url":"https:\/\/voomisupply.com\/products\/b-k-mueller-indsimport-521-204hn-black-coupling-3-4-in","provider":"Voomi Supply","version":"1.0","type":"link"}